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Author: User
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<% @ Page Language = "C #" AutoEventWireup = "true" CodeFile = "Default2.asp tutorial x. cs" Inherits = "Default2" %>

<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<Html xmlns = "http://www.w3.org/1999/xhtml">
<Head runat = "server">
<Title> No title page </title>
</Head>
<Body>
<Form id = "form1" runat = "server">
<Div>
</div>
</Form>
</Body>
</Html>

Pic. aspx. cs File

Using System;
Using System. Collections;
Using System. Configuration;
Using System. Data;
Using System. Web;
Using System. Web. Security;
Using System. Web. UI;
Using System. Web. UI. HtmlControls;
Using System. Web. UI. WebControls;
Using System. Web. UI. WebControls. WebParts;
Using System. Drawing;
Using System. Drawing. Drawing2D;
Using System. Drawing. Imaging;
Using System. IO;
Using System. Data. OleDb;

Public partial class _ Default: System. Web. UI. Page
{
Protected void Page_Load (object sender, EventArgs e)
{
// Total number of opened
String tongji = null;
String strCmd = "select tongji from tong Where userid = '" + Request ["u"]. Trim () + "'";
OleDbDataReader sdr = ExceRead (strCmd );
If (sdr. Read ())
{
Tongji = sdr ["tongji"]. ToString ();
}
Sdr. Close ();
Sdr. Dispose ();
// Statistics and updates
DateTime dt = DateTime. Now;
DoSql ("delete from tongji where dsj <#" + DateTime. Now. AddDays (-3). ToString () + "#");
DoSql ("update tong set tongji = tongji + 1 where userid = '" + Request ["u"]. Trim () + "'");
DoSql ("insert into tongji (ip, sj, userid, dsj) values ('" + Request. userHostAddress + "','" + dt. tow.datestring (). toString () + "','" + Request ["u"]. trim () + "','" + dt + "')");
String j = Judge_Repeat ("select Count (id) As id from tongji Where userid = '" + Request ["u"]. trim () + "'and sj ='" + dt. tow.datestring (). toString () + "'");
String z = Judge_Repeat ("select Count (id) As id from tongji Where userid = '" + Request ["u"]. trim () + "'and sj ='" + DateTime. now. addDays (-1 ). toShortDateString () + "'");
// The following shows the counter
System. Drawing. Bitmap bmp = new Bitmap (Bitmap. FromFile (Server. MapPath ("2.gif"); // load the image
System. Drawing. Graphics g = Graphics. FromImage (bmp );
G. DrawString ("" + j + "Times", new Font ("", 9), new SolidBrush (Color. Red), 65, 9 );
G. DrawString ("" + z + "Times", new Font ("", 9), new SolidBrush (Color. Red), 65, 26 );
G. DrawString ("" + tongji + "", new Font ("", 9), new SolidBrush (Color. Red), 67, 42 );
// Select the text font color
G. Dispose ();
// Output GIF. You can change it if you want other formats.
Response. ContentType = "image/gif ";
Bmp. Save (Response. OutputStream, System. Drawing. Imaging. ImageFormat. Gif );
}
# Use this function when adding, deleting, and updating region
/// <Summary>
/// Run add, delete, and update operations.
/// </Summary>
Public void DoSql (string SQL) // used for adding, deleting, and updating operations
{
String conString = Server. MapPath ("App_Data/panpao. accdb ");
ConString = "Provider = Microsoft. ACE. OLEDB.12.0; Data source =" + conString;
OleDbConnection oldCon = new OleDbConnection (conString );
OldCon. Open ();
OleDbCommand cmd = new OleDbCommand (SQL, oldCon );

Cmd. ExecuteNonQuery ();//
OldCon. Close (); // closes the database tutorial
OldCon. Dispose ();
}
# Endregion
# Region returns a SqlDataReader type data
Public OleDbDataReader ExceRead (string strCom) // This method returns a SqlDataReader type
{
String conString = Server. MapPath ("App_Data/panpao. accdb ");
ConString = "Provider = Microsoft. ACE. OLEDB.12.0; Data source =" + conString;
OleDbConnection oldCon = new OleDbConnection (conString );
OldCon. Open ();
OleDbCommand sqlCmd = new OleDbCommand (strCom, oldCon );

OleDbDataReader sdr = sqlCmd. ExecuteReader (CommandBehavior. CloseConnection );
Return sdr;
OldCon. Close (); // Close the database
OldCon. Dispose ();
}
# Endregion
# Region execution database returns a value
Public string Judge_Repeat (string SQL _str)
{// Determine the number returned from the table
String conString = Server. MapPath ("App_Data/panpao. accdb ");
ConString = "Provider = Microsoft. ACE. OLEDB.12.0; Data source =" + conString;
OleDbConnection oldCon = new OleDbConnection (conString );
OldCon. Open ();
OleDbCommand Command = new OleDbCommand (SQL _str, oldCon );
OleDbDataReader Dr = Command. ExecuteReader (CommandBehavior. CloseConnection );
Try
{
Dr. Read ();
Return Dr [0]. ToString ();
}
Catch (Exception err)
{
Return "";
}
Finally
{
Dr. Close ();
Dr. Dispose ();
OldCon. Close (); // Close the database
OldCon. Dispose ();
}
}
# Endregion
}

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